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* Storage class should be before const qualifierTobias Klauser2007-02-17
| | | | | | | | | | | The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* i2c: Declare more i2c_adapter parent devicesJean Delvare2007-02-13
| | | | | | | | | | | | | | | Declare the parent device of i2c_adapter devices each time we can easily do so. It makes the i2c_adapter appear at the right place in the device tree, rather than as a platform device. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Len Brown <len.brown@intel.com> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: Jody McIntyre <scjody@modernduck.com> Cc: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: v4l-dvb-maintainer@linuxtv.org Cc: Petr Vandrovec <vandrove@vc.cvut.cz>
* [PATCH] mark struct file_operations const 4Arjan van de Ven2007-02-12
| | | | | | | | | | | | Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. [akpm@sdl.org: dvb fix] Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* V4L/DVB (4852): Pvrusb2: Fix horizontal resolution setting problem for 24xxx ↵Mike Isely2006-12-10
| | | | | | | | | | | | | devices Fix long-standing issue which prevented use of 24xxx devices at any horizontal resolution other an 720. The problem is in the cx25840 module, if no attempt is made to initialize VBI there. Such a thing should not be needed, but the pvrusb2 driver is updated now to deal with this. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4763): Pvrusb2: Implement IR reception for 24xxx devicesMike Isely2006-12-10
| | | | | | | | | | | | | | | | Unlike 29xxx devices, the 24xxx model series does not have a dedicated I2C device for reception of IR codes. Instead IR is handled directly by the FX2 microcontroller and the results are communicated via commands to the FX2. Rather than implement a whole new IR reception pathway for 24xxx devices, this changeset instead emulates the presence of the 29xxx device's I2C based IR receiver by intercepting commands to that chip and issuing appropriate FX2 commands to do the needed action. This has the result of allowing all the usual IR frameworks (ir-kbd-i2c or lirc) to continue working unmodified for 24xxx devices. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* Merge branch 'master' of ↵David Howells2006-12-05
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
| * usb: pvrusb2-io free urb cleanupMariusz Kozlowski2006-12-01
| | | | | | | | | | | | | | | | - usb_free_urb() cleanup Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| * usb: pvrusb2-hdw free unlink urb cleanupMariusz Kozlowski2006-12-01
| | | | | | | | | | | | | | | | | | - usb_free_urb() cleanup - usb_unlink_urb() cleanup Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | WorkStruct: make allyesconfigDavid Howells2006-11-22
|/ | | | | | Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
* V4L/DVB (4786): Pvrusb2: use NULL instead of 0Randy Dunlap2006-11-02
| | | | | | | | | | | | Fix sparse NULL usage warnings: drivers/media/video/pvrusb2/pvrusb2-v4l2.c:714:14: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-v4l2.c:715:16: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-v4l2.c:1079:10: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c:224:58: warning: Using plain integer as NULL pointer Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* V4L/DVB (4675): Pvrusb2: Fix VIDIOC_INT_[G|S]_REGISTER so that it actually ↵Mike Isely2006-10-03
| | | | | | | works now Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4674): Use NULL instead of 0 for ptrsRandy Dunlap2006-10-03
| | | | | | | | Use NULL instead of 0 for pointer value, eliminate sparse warnings. Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4664): Pvrusb2: Don't use videodev.h; use v4l2-dev.h in its placeMike Isely2006-10-03
| | | | | | | | The function prototype needed in pvrusb2-v4l2.c has been moved to v4l2-dev.h. Track that change. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4663): Pvrusb2: Get rid of private global context array brain damageMike Isely2006-10-03
| | | | | | | | | | | | A previous attempt to deal with the upcoming loss of video_set_drvdata() and video_get_drvdata() resulted in logic which causes a circular locking dependency - also known as a deadlock. This changeset attacks the problem in a different manner, using a technique that no longer requires the problematic mutex (or that private global array either). Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4662): Pvrusb2: Implement VIDIOC_INT_[G|S]_REGISTERMike Isely2006-10-03
| | | | | | | | | Implement VIDIOC_INT_SET_REGISTER and VIDIOC_INT_GET_REGISTER for the pvrusb2 driver. This is a debugging aid which will not be enabled unless CONFIG_VIDEO_ADV_DEBUG has been enabled. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4661): Pvrusb2: improve 24XXX config option descriptionMike Isely2006-10-03
| | | | | | | | The CONFIG_VIDEO_PVRUSB2_24XXX is not nearly as "experimental" as the description suggests. So refine the description to better match reality. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4604): Fix broken pvrusb2 buildMike Isely2006-09-26
| | | | | | | | | Fix broken build when 24XXX support is not selected. This is required due to the requirement of removing 24XXX ifdef's from the driver source. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4597): Improve resolution limit enforcements in pvrusb2Mike Isely2006-09-26
| | | | | | | | | | | | The pvrusb2 driver resolution limits are now programmed the following way, based on empirical measurements of the hardware: Vertical max: 480 for NTSC, 576 otherwise Vertical min: 75 for 24xxx, 17 otherwise Horizontal max: 720 Horizontal min: 720 for 24xxx, 19 otherwise Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4595): Remove CONFIG_VIDEO_PVRUSB2_24XXX from pvrusb2 driverMike Isely2006-09-26
| | | | | | | | | | Support for 24xxx devices was previously explicitly bracketed with CONFIG_VIDEO_PVRUSB2_24XXX inside the code because we didn't trust the stability of these changes. We trust it now; so there's no reason to leave this out of the driver anymore. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4594): Remove some dead data elements from pvrusb2 driverMike Isely2006-09-26
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4584): Fix VIDIOC_S_FMT min/max check in pvrusb2Hans Verkuil2006-09-26
| | | | | | Acked-by: Mike Isely <isely@pobox.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4556): Fix a typo.Mauro Carvalho Chehab2006-09-26
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4546): Add u32 argument to VIDIOC_INT_RESET.Hans Verkuil2006-09-26
| | | | | | | | The extra argument makes it possible to reset subsystems of a chip if that is supported. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4518): Allow manually selecting the proper helper driversMauro Carvalho Chehab2006-09-26
| | | | | | | | | | | | There are several boards on V4L that can work with several different helper modules for audio/video encoding/decoding and similar stuff. This patch adds the capability of choicing between autoselecting the pertinent helper modules for each driver, or to manually selecting them. Acked-by: Michael Krufky <mkrufky@linuxtv.org> Acked-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4485): Fix a warning on PPC64Mauro Carvalho Chehab2006-09-26
| | | | | | | drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c: In function 'set_standard': drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.c:33: warning: format '%llx' expects type 'long long unsigned int', but argument 2 has type 'v4l2_std_id' Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4377): Force horizontal resolution limits in the pvrusb2 driverMike Isely2006-09-26
| | | | | | | | | | | | | This change causes the pvrusb2 driver to limit horizontal resolution to be only 720 if 24xxx device hardware is being used. This is a workaround for an unsolved problem in the driver where if the resolution is set to something other than 720 the video quality will be _seriously_ degraded. It only happens on 24xxx devices (29xxx are unaffected by the problem and unaffected by this change). Once the problem is finally solved, this small change can be removed. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4376): Make it possible for run-time calculation of control min/max ↵Mike Isely2006-09-26
| | | | | | | | | | | | | in pvrusb2 The internal control implementation in the pvrusb2 driver normally encodes integer range limits using literal values in a const structure. This change adds two function pointers, which if not null will be called through in order to determine integer min / max values. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4375): Eliminate hardcoded limits in VIDIOC_[S|TRY]_FMT for pvrusb2Mike Isely2006-09-26
| | | | | | | | | | | The pvrusb2 implementation for VIDIOC_[S|TRY]_FMT was hardcoding limits on the range for allowed resolution, but it would be much better if we instead just queried the internal control for these values. This then opens the door for the driver to adjust these limits based on the detected hardware. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4372): Clean up some post mpeg-controls issues in pvrusb2Mike Isely2006-09-26
| | | | | | | | | Fix a few miscellaneous issues in the pvrusb2 driver related to use of the new mpeg controls. This also should fix problems involving update of the saa7115 / cx25840 configuration as control changes are made. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4339): Removed the remaining config.h stuffMauro Carvalho Chehab2006-09-26
| | | | | | | Since kernel include autoconf.h via command line, those config.h inclusion can be removed. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4373): Correctly handle sysfs error leg file removal in pvrusb2Mike Isely2006-07-29
| | | | | | | | | Take note of which sysfs files / groups that the pvrusb2 successfully creates and only delete those specific items when tearing things down. (Previously we just blindly tore everything down every time.) Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4337): Refine dead code elimination in pvrusb2Mike Isely2006-07-29
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4316): Check __must_check warningsMichael Krufky2006-07-29
| | | | | | | | | | | | | | | | | | | | Check __must_check warnings for class_device_register and class_device_create_file video_device_create_file was declared as a void, but instead should return the int value of class_device_create_file. Move the check from bttv-driver.c into v4l2-dev.h, because all other callers of video_device_create_file must also be checked. Replace the call to class_device_create_file in videodev.c with video_device_create_file, as defined in v4l2-dev.h, so that the return value of class_device_create_file will be checked. Check the return value of class_device_register in videodev.c and pvrusb2-sysfs.c Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4288): Clean out a zillion sparse warnings in pvrusb2Mike Isely2006-06-30
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4287): Pvrusb2/: possible cleanupsAdrian Bunk2006-06-30
| | | | | | | | | This patch contains the following possible cleanups: - make needlessly global code static - #if 0 unused global functions Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4274): Eliminate use of tda9887 from pvrusb2 driverMike Isely2006-06-30
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4273): Always log pvrusb2 device register / unregister eventsMike Isely2006-06-30
| | | | | | | | | Previously the pvrusb2 driver was conditionalizing printing of the device register / unregister messages against a debug mask. This sort of information should always appear, thus this patch. Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4263): Fix warning when compiling on 64 bit machinesMauro Carvalho Chehab2006-06-26
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4261): Included required header for in-kernel compilationMauro Carvalho Chehab2006-06-26
| | | | Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4259): Pass an explicit log prefix to cx2341x_log_statusHans Verkuil2006-06-26
| | | | | | | | A card number is not unique enough. Instead, let the caller specify the prefix of the status messages. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4245): Reduce the amount of pvrusb2-sourced noise going into the ↵Mike Isely2006-06-26
| | | | | | | system log Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4244): Implement use of cx2341x module in pvrusb2 driverMike Isely2006-06-26
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4243): Exploit new V4L control features in pvrusb2Mike Isely2006-06-26
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4242): Don't suspend encoder when changing its attributes (in pvrusb2)Mike Isely2006-06-26
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4241): Fix faulty encoder error recovery in pvrusb2Mike Isely2006-06-26
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4240): Various V4L control enhancements in pvrusb2Mike Isely2006-06-26
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4239): Handle boolean controls in pvrusb2Mike Isely2006-06-26
| | | | | Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4238): Make sure flags field is initialized when quering a control ↵Mike Isely2006-06-26
| | | | | | | in pvrusb2 Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
* V4L/DVB (4237): Move LOG_STATUS bracketing to a different part of the ↵Mike Isely2006-06-26
| | | | | | | pvrusb2 driver Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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